title: Methods to induce cell cycle checkpoints.
mesh_terms: D000818:Animals; D001671:Biochemistry / Q000379:methods*; D002453:Cell Cycle; D004249:DNA Damage; D006801:Humans; D008027:Light; D011839:Radiation, Ionizing; D012441:Saccharomyces cerevisiae / Q000378:metabolism; D014466:Ultraviolet Rays